Security Advisory 0200 - Arista

A time-bounded absence, not a confirmed fact: it can only be true as of the last check, and it will change. Changed from "confirmed" on 22 October at the editor's request. Refreshed by the journalist on 24 October against the evidence vault at 1f38e70921b2: the named cases (GMO, ČVUT, DMM, Valtec) are now in the vault, and none of them states php2shell as the cause (Valtec retracted). The PHP Foundation's executive director: "to our knowledge, there has been no successful attempt at remote code execution" (The Verge). Luxembourg: no institution has announced an intrusion (Paperjam). Patchstack: incidents reported to it by hosting partners (Recorded Future) against "only probing attacks, with no hard evidence of breaches yet" in its own telemetry (PCMag); on the board for the fact-check desk. An anonymous startup owner's claim of stolen source code (Fortune) is unnamed and not attributed to the flaw. Sophos, via Cyber Security News: a correction at 21:21 UTC on 22 October withdrew an earlier success claim; scanning and a small number of failed attempts, a Mirai-derived payload blocked. American Banker, 23 October: no US bank or credit union has publicly reported a compromise. Refreshed on 24 October at 16:05 UTC against the vault at 8c16a64a7cf6 (382 sources): no new source names an organisation compromised through php2shell; Die Presse (12:03 on 23 October) knows of no successful attack in Austria, and RainForest's honeypot (VOIX) records attempts only. Refreshed again on 25 October at 09:35 UTC (09:35 GMT: the UK clocks went back at 01:00 UTC that day; an earlier version of this note said 10:35 BST, which was wrong) against the vault at 87795d121200 (418 sources): still no new source names an organisation compromised through php2shell; Turkey's Presidency Cybersecurity Directorate says the e-Devlet portal had no problem. Refreshed on 26 October against the vault at 94352a55fbaa (454 sources, latest capture 14:40 UTC on 25 October): 16 new claims reviewed, still no new source names an organisation compromised through php2shell; La Razón (23 October) knows of no successful execution. Refreshed on 26 October at 11:20 UTC against the vault at a7ab84771dfc (507 sources, latest capture 09:40 UTC on 26 October): 81 more claims reviewed; still no new source names an organisation compromised through php2shell (one blog's line that Palo Alto Networks and Trail of Bits reported confirmed compromises names no victim and is contradicted by Palo Alto's own advisory: held back); ScaleCommerce reports only isolated attempts. Refreshed again on 26 October at 13:55 UTC against the vault at 22a0c2920b88 (525 sources, latest capture 12:14 UTC): 20 more claims reviewed, still no new source names an organisation compromised through php2shell; Arctic Wolf's 'limited deep intrusions' rests on one Greek outlet and is held back. Refreshed by the correspondent on 26 October against the vault at 2fc7e432584b (543 sources, latest capture 14:42 UTC): TechGaming.it (22 October, a roundup of PHP, GitLab and Plex problems, citing Kotaku) says Square Enix "ha confermato episodi di accesso non autorizzato ai propri sistemi"; it does not say through PHP, Kotaku's text and Square Enix's own words are not captured, and Bitpage, the other page naming Square Enix, says its logins were closed and patch servers taken offline with the cause "kein Angriff" but the two PHP flaws. A second-hand report that does not state the cause is not an organisation saying it was compromised through php2shell, so the claim stands, with Square Enix on the compromise ledger as named, cause not stated. Refreshed by breaking@php.newsroom in the journalist's role on 27 October at 03:28 UTC (the same time in London, on GMT) against the evidence vault nnd3i8iw at 24f0b0e22666 (562 sources, latest capture 00:45 UTC on 27 October): CISA's alert of 26 October and KEV catalog version 2026.10.26 (released 22:24 UTC on 26 October) add both CVEs to the catalog (due 29 October, known ransomware use "Unknown"), so the flaws are exploited in the wild on CISA's evidence; the alert and both entries name no victim, no compromised organisation and no threat actor (brk1-kev-no-victim-named). The claim stands, and now says exploited and compromised apart. The 13 claims of the curator's batch 18 (vault head 1dceaa1dfa7f) have no verdict yet; their claims and captures were searched for compromise terms, and none names an organisation compromised through php2shell. Refreshed on 27 October at 08:45 UTC against the vault at 6fe04cc074f9 (580 sources, latest capture 07:15 UTC; batch 19 and batch 18 reviewed): still no organisation named as compromised through php2shell. One new statement: ENTER.CO, citing BleepingComputer, says Adel Karimi (Perplexity) documented with honeypots a successful remote code execution on a decoy running PHP 8.4.26 (a vulnerable build), and Marcus Hutchins (Expel) called it the best-quality confirmation of exploitation he had seen: a decoy, not an organisation, on one page whose BleepingComputer source is not captured; for the correspondent. Refreshed again on 27 October at 11:18 UTC against the vault at d21ea5df2a32 (614 sources, latest capture 14:41 UTC; batch 22 reviewed): still no organisation named as compromised through php2shell. New: SC Media (26 October) reports that Palo Alto Networks Unit 42 retracted on 25 October its 23 October statement tying an attack on a European government agency to PHP2Shell (unable to confirm initial access via either bug; no agency named), that Sophos said on 26 October PHP2Shell had not become the mass exploitation event feared, and that watchTowr's Jake Knott put reliable indiscriminate exploitation at 'a firm No'; the same page gives the Karimi honeypot as 35 working shells in a deliberately favourable setup. Refreshed by breaking@php.newsroom in the journalist's role on 27 October at 19:44 UTC (19:44 GMT in London) against the vault at 6f0d5c50bf12 (645 sources, latest capture 19:13 UTC; the 40 claims brk2-*, from The Hacker News's report of 27 October on CISA's confirmation and 31 of its sources, reviewed): still no organisation named as compromised through php2shell. Craft CMS (21 October) says there is evidence the flaws were exploited before the PHP updates were released, without saying what the evidence is or whose, and names no victim; it says its Craft Cloud-hosted sites had no known successful attacks. Broadcom (no compromise of its infrastructure discovered), Salesforce (no evidence of exploitation affecting Salesforce or customer data, 16:08 UTC on 27 October), Arista, Splunk and NETGEAR report none. CISA's KEV catalog page at 19:13 UTC still lists both CVEs from 26 October with no victim named; it also lists CVE-2026-111497 in Google's Brotli, added 27 October: a different flaw, which reaches PHP only in its Windows builds.